Grayhill - Switches and Encoders

A leading designer and manufacturer of DIP, tact, pushbutton, toggle, rocker, slide, rotary and encoder switches, keypads and front panels, I/O modules, control systems, wireless products, ruggedized mobile computers, panel computers and computer based devices.

Grayhill - Switches and Encoder

Standard products include optical encoders, rotary switches, keypads, joysticks and pushbuttons; all with finely tuned haptics. Grayhill specializes in creating ergonomic panels and product shells that integrate various interface technologies, including displays, touch technology and motion sensing.

Multi-Touch Ring Encoder T1

Grayhill's Multi-Touch Ring Encoder with Instinct will aid in the design of uncluttered, easy-to-clean instrumentation.....



The Multi-Touch Ring Encoder can replace touchscreens, keypads, trackballs, switches, and joysticks. It integrates three device functions in one:- Multi-Touch Touchpad, Optical Encoder, Pushbutton.Other Usability Features

Impervious to cleaning solutions, Rugged, scratch-resistant surfaces, Backlit illumination, Colored highlight ring.

Grayhill, Inc
561, Hillgrove Avenue, La Grange, IL 60525-5997, USA.

Hobby Engineering: Learning Electronics Section

Hobby Engineering: Learning Electronics Section



A supply store for people who want to build robots, electronic gadgets, kinetic art or anything else that moves, beeps or flashes.



The best way to learn electronics depends on your own personal learning style. Some people don't like starting anything without a thorough understanding of the underlying theory. The best starting point for this kind of learner is usually a good book such as those listed under Recommended Electronics Books in this section or in our complete Books section.

MakingThings - Prototyping Interactive Projects

MakingThings - Prototyping Interactive Projects

MakingThings provides software and electronics tools for people who create projects that interact with the physical world. A broad range of people use MakingThings products including artists, designers, students, musicians, hobbyists and engineers.

Using the Make Controller, you can:

• Control motors (stepper, servo, and DC)


• Switch lights


• Monitor Temperature


• Measure Distance


• Detect People


• Sense light


• Control things from your PC

The Make Controller Kit is an open source project - open firmware, schematics, and accompanying software tools. All products can be purchased directly from our online store, and can be shipped worldwide.

Ramsey Electronics

Ramsey Electronics

Ramsey Electronics has been providing the neatest electronic products and kits for over 30 years! From AM & FM Transmitters, Hobby Kits, Video Cameras, Time & Weather Products.